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    • 12. 发明公开
    • 화염 전처리 도장시 도장부착력이 우수한 자동차 범퍼커버용 폴리프로필렌 수지 조성물
    • 聚丙烯树脂组合物,包含结晶聚丙烯树脂,乙烯-α-烯烃共聚物橡胶,无机填充材料和有机过氧化物
    • KR1020050010216A
    • 2005-01-27
    • KR1020030049222
    • 2003-07-18
    • 롯데케미칼 주식회사주식회사 프라코
    • 조성민최현민김정수이석우이영진
    • C08L23/14C08L23/16C08K3/34C08K5/14
    • PURPOSE: Provided is a polypropylene resin composition for a car bumper cover, which shows excellent coating adhesion in flame plasma pretreatment painting system with no use of CPP primers. CONSTITUTION: The polypropylene resin composition for a car bumper cover comprises (a) 50-80 parts by weight of a crystalline polypropylene resin having a melt index of 20-80 g/10min(230deg.C), which is a homopolymer of propylene or binary copolymer of propylene and ethylene; (b) 10-30 parts by weight of low Mooney ethylene-alpha-olefin copolymer rubber having a Mooney viscosity(ML 1+4, 100deg.C) of 4-9; (c) 10-20 parts by weight of talc as an inorganic filling material; and (d) 0.1-0.5 PHR of an organic peroxide having a half-life(10 hours) of 140deg.C or more, based on 100 parts by weight of (a+b+c).
    • 目的:提供一种用于汽车保险杠盖的聚丙烯树脂组合物,其在不使用CPP底漆的火焰等离子体预处理涂装系统中表现出优异的涂层粘附性。 构成:用于汽车保险杠盖的聚丙烯树脂组合物包含(a)50-80重量份熔体指数为20-80g / 10min(230℃)的结晶聚丙烯树脂,其为丙烯均聚物或 丙烯和乙烯的二元共聚物; (b)10-30重量份门尼粘度(ML 1 + 4,100℃)为4-9的低门尼乙烯-α-烯烃共聚物橡胶; (c)10-20重量份作为无机填充材料的滑石; 和(d)基于100重量份的(a + b + c),半衰期(10小时)为140℃以上的有机过氧化物的0.1-0.5PHR。
    • 15. 发明公开
    • 자동차 리어스포일러 압출용 폴리프로필렌 수지 조성물
    • 用于挤出汽车后轮的聚丙烯树脂组合物
    • KR1020040011649A
    • 2004-02-11
    • KR1020020044465
    • 2002-07-27
    • 현대자동차주식회사
    • 이성준조성민최현민
    • C08L23/14C08K5/14
    • C08L23/142C08K5/14C08L2205/02
    • PURPOSE: A polypropylene resin composition which is applicable to blow-extrusion under a conventional extrusion condition for general polypropylene, for forming a rear spoiler of automobile, owing to its excellent melt strength, is provided by comprising an organoperoxide having a certain half-life temperature and additionally a styrene-based rubber. CONSTITUTION: The polypropylene resin composition which can be blow-extruded to form a rear spoiler of automobiles comprising: (A) 60-90 wt% of propylene copolymer with C2, C4-C10 olefins, having 300,000 g/mol or more of a molecular weight and 0.1-3 g/10 min. of melt index at 230 deg. C; (B) ethylene-styrene copolymer rubber; and (C) 0.05-0.5 pts.wt. of organoperoxide based on 100 pts.wt. of the base resin consisting of (A) and (B), wherein the organoperoxide has 80 deg.C or less of half-life temperature based on the 10 hour of half-life temperature.
    • 目的:提供一种聚丙烯树脂组合物,其通过常规的挤出条件对普通聚丙烯进行吹塑,由于其优异的熔体强度而形成汽车的后扰流板,其包括具有一定半衰期的有机过氧化物 以及苯乙烯基橡胶。 构成:可吹塑以形成汽车后扰流板的聚丙烯树脂组合物,其包含:(A)60-90重量%的丙烯共聚物与C2,C4-C10烯烃,具有300,000g / mol以上的分子 重量和0.1-3g / 10min。 熔体指数在230度。 C; (B)乙烯 - 苯乙烯共聚物橡胶; 和(C)0.05-0.5重量份 的基于100重量份的有机过氧化物 由(A)和(B)组成的基础树脂,其中基于半衰期的10小时,有机过氧化物的半衰期为80℃以下。